MeGUI is the most comprehensive GUI based ISO MPEG-4 solution for 32 Bit Windows Systems
MeGUI is the most comprehensive GUI based ISO MPEG-4 solution. It suports MPEG-4 ASP (xvid), MPEG-4 AVC (x264), AAC, MP2, MP3, Vorbis, AC3 and Aud-X audio and various common containers support (MP4, MKV, AVI).
https://sourceforge.net/projects/megui/